Amentum Executive and Leadership Team

October, 2026

Leadership Overview

Amentum has 10 executives leading key functions including technology, information systems, operations, finance, IT management, marketing, and human resources.

Focused on delivering advanced engineering and innovative technology solutions, Amentum addresses complex global challenges in science, security, and sustainability through relentless ambition and collaborative progress.

Leadership Roles at Amentum

  • Group Chief Financial Officer & Senior VP, Finance - Paul Pheeny
  • Chief Operating Officer - Steve Arnette
  • Chief Operating Officer, Hsetraining Development - Monica Ingle
  • President - Paul Schwer
  • Chief Technology Officer - Jill Bruning
  • Chief Information Officer - Scott Schuetz
  • Enterprise IT Chief of Staff - Martin Wohlgemuth
  • Chief Marketing Officer, Trianer - Gregory Owens
  • Chief Operations Officer - Mario Garcia
  • Chief People Officer - Darren Burton
  • Paul Pheeny - Group Chief Financial Officer & Senior VP, Finance

    Paul Pheeny, the Group Chief Financial Officer & Senior VP, Finance at Amentum, directs the financial strategy and fiscal health of the organization. Pheeny manages capital allocation, budgeting, and financial reporting to support the company's ambitious growth in engineering and technology sectors. By overseeing financial planning and analysis, the Group Chief Financial Officer & Senior VP, Finance ensures that resources are effectively deployed to address complex security and sustainability challenges. This leadership role involves providing the Board with critical insights into market performance and operational profitability. Paul Pheeny drives financial discipline, enabling the company to invest in innovative solutions while maintaining long-term stability. Through the management of global financial operations, the Group Chief Financial Officer & Senior VP, Finance supports the strategic objectives of Amentum. This financial oversight ensures that the company remains a trusted partner for the United States and its allies in delivering high-value, complex projects.

    Steve Arnette - Chief Operating Officer

    Steve Arnette, the Chief Operating Officer at Amentum, oversees the execution of large-scale engineering and security projects. Arnette directs operational performance across diverse business units, ensuring that safety and well-being remain the foundation of every initiative. By managing complex supply chains and project delivery schedules, the Chief Operating Officer drives efficiency in the company's global operations. This leadership role involves coordinating with other C-suite members to align operational output with strategic growth objectives. Steve Arnette fosters a culture of relentless ambition, pushing teams to challenge convention and deliver superior results for government partners. Through the optimization of project management processes, the Chief Operating Officer ensures that Amentum consistently meets the most significant challenges in science and security. Operational success under this guidance supports the company's reputation as a trusted leader in advanced engineering and sustainable infrastructure development.
    Steve Arnette

    Monica Ingle - Chief Operating Officer, Hsetraining Development

    Monica Ingle, the Chief Operating Officer, Hsetraining Development at Amentum, manages the specialized training programs focused on health, safety, and environmental standards. Ingle architects comprehensive development frameworks that ensure all personnel operate with the highest regard for safety and well-being. By overseeing the implementation of rigorous training protocols, the Chief Operating Officer, Hsetraining Development drives operational compliance across all global sites. This role involves integrating safety culture into the core engineering and security services provided to clients. Monica Ingle collaborates with project leads to ensure that workforce capabilities align with the complex demands of modern infrastructure projects. Through the continuous improvement of training methodologies, the Chief Operating Officer, Hsetraining Development supports the company's commitment to excellence and sustainability. This focus on human capital development ensures that Amentum maintains a highly skilled and safety-conscious workforce capable of addressing the most significant challenges in the industry.

    Paul Schwer - President

    Paul Schwer, the President at Amentum, directs the overall strategic vision and business operations of the organization. Schwer architects the long-term goals that guide the company's efforts in advanced engineering and innovative technology solutions. By overseeing the executive leadership team, the President drives the company's commitment to addressing the most significant challenges in science, security, and sustainability. This leadership role involves engaging with the Board and key stakeholders to ensure alignment with the company's mission and values. Paul Schwer fosters a culture of relentless ambition, encouraging teams to challenge convention and drive progress for the United States and its allies. Through the management of the company's global footprint, the President ensures that Amentum remains a leader in the industry. This strategic oversight supports the company's reputation for safety, collaboration, and well-being, ultimately driving the success of complex projects across the globe.
    Paul Schwer

    Jill Bruning - Chief Technology Officer

    Jill Bruning, the Chief Technology Officer at Amentum, directs the development of advanced engineering and innovative technology solutions. Bruning architects technical roadmaps that address complex security and science challenges for government clients. By overseeing research and development initiatives, the Chief Technology Officer ensures the integration of cutting-edge systems across global operations. This leadership role involves aligning technical capabilities with the evolving needs of the United States and its allies. Jill Bruning drives progress by fostering a culture of undaunted curiosity within the engineering teams. Through the implementation of scalable technology frameworks, the Chief Technology Officer supports the company's mission to solve significant sustainability issues. Strategic oversight of these technical assets enables Amentum to maintain a competitive edge in the global market while ensuring safety and well-being remain central to every project execution.
    Jill Bruning

    Scott Schuetz - Chief Information Officer

    Scott Schuetz, the Chief Information Officer at Amentum, manages the digital infrastructure and information systems supporting global engineering operations. Schuetz secures the enterprise data environment, ensuring that security and sustainability projects remain protected against emerging threats. By overseeing the deployment of robust IT platforms, the Chief Information Officer facilitates seamless collaboration across international teams. This role involves optimizing data workflows to enhance operational efficiency and decision-making capabilities. Scott Schuetz drives the digital transformation strategy, enabling the company to leverage advanced technology for complex problem-solving. Through the management of critical information assets, the Chief Information Officer supports the broader organizational goal of delivering reliable, high-impact solutions. Maintaining a secure and resilient digital architecture allows Amentum to meet the rigorous demands of government clients while upholding the highest standards of safety and operational excellence.
    Scott Schuetz

    Martin Wohlgemuth - Enterprise IT Chief of Staff

    Martin Wohlgemuth, the Enterprise IT Chief of Staff at Amentum, coordinates the strategic initiatives and operational priorities within the information technology division. Wohlgemuth facilitates communication between IT leadership and other departments to ensure alignment with the company's engineering and security goals. By overseeing the execution of cross-functional IT projects, the Enterprise IT Chief of Staff drives efficiency and technological integration across the enterprise. This role involves managing the administrative and operational rhythm of the IT organization to support rapid decision-making. Martin Wohlgemuth ensures that technology resources are optimized to meet the evolving needs of global operations. Through the management of key IT initiatives, the Enterprise IT Chief of Staff supports the company's mission to deliver innovative solutions. This leadership role is essential for maintaining the technological agility required to address the most significant challenges in science and security while upholding the highest standards of safety.

    Gregory Owens - Chief Marketing Officer, Trianer

    Gregory Owens, the Chief Marketing Officer, Trianer at Amentum, directs the brand strategy and market positioning for the company's specialized training and engineering services. Owens architects communication campaigns that highlight the company's expertise in science, security, and sustainability. By overseeing market research and client engagement, the Chief Marketing Officer, Trianer drives the expansion of the company's footprint among government and commercial partners. This role involves crafting the narrative around Amentum's innovative solutions to ensure alignment with the needs of the United States and its allies. Gregory Owens fosters strong relationships with key stakeholders, promoting the company's commitment to safety and collaboration. Through the strategic management of the brand, the Chief Marketing Officer, Trianer supports the company's growth objectives and market impact. This focus on effective communication ensures that the value of the company's advanced engineering and technology solutions is clearly understood by clients and partners globally.

    Mario Garcia - Chief Operations Officer

    Mario Garcia, the Chief Operations Officer at Amentum, manages the operational logistics and field execution for the company's diverse engineering portfolio. Garcia directs the deployment of resources to ensure that complex security and sustainability projects are completed on time and within budget. By overseeing regional operations, the Chief Operations Officer drives the implementation of safety protocols and operational best practices across all project sites. This leadership role involves coordinating with project managers to resolve technical challenges and optimize performance. Mario Garcia fosters a culture of collaboration, ensuring that teams work effectively to meet the rigorous demands of government clients. Through the management of operational workflows, the Chief Operations Officer supports the company's mission to drive progress in science and security. This focus on operational excellence allows Amentum to maintain its position as a global leader in delivering high-impact, complex engineering solutions for its partners.

    Darren Burton - Chief People Officer

    Darren Burton, the Chief People Officer at Amentum, directs the human resources strategy, talent acquisition, and organizational development initiatives. Burton architects programs that foster a culture of safety, collaboration, and well-being, which are integral to the company's success. By overseeing workforce planning and employee engagement, the Chief People Officer drives the recruitment of top-tier talent capable of addressing complex engineering and security challenges. This leadership role involves aligning human capital strategies with the company's mission to drive progress through undaunted curiosity. Darren Burton ensures that the organization maintains a diverse and inclusive environment where employees can thrive. Through the management of professional development and performance systems, the Chief People Officer supports the company's long-term growth and operational excellence. This focus on people ensures that Amentum remains a trusted partner for the United States and its allies by maintaining a highly skilled and motivated workforce.
    Darren Burton

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    Frequently Asked Questions Regarding Amentum Top Executives and Leadership Team

    Who leads Amentum?
    Amentum is led by Paul Pheeny (Group Chief Financial Officer & Senior VP, Finance), along with executives such as Steve Arnette (Chief Operating Officer) and Monica Ingle (Chief Operating Officer, Hsetraining Development).
    Who is part of Amentum’s executive team?
    The executive team of Amentum includes leaders such as Paul Pheeny (Group Chief Financial Officer & Senior VP, Finance), Steve Arnette (Chief Operating Officer), Monica Ingle (Chief Operating Officer, Hsetraining Development) and other senior executives.
    How many executives does Amentum have?
    Amentum has 10 executives leading key business areas.
    What roles are included in Amentum’s leadership team?
    The leadership team of Amentum includes roles such as Group Chief Financial Officer & Senior VP, Finance, Chief Operating Officer, Chief Operating Officer, Hsetraining Development, President, Chief Technology Officer.